Hosanagar is a panchayat town in Shimoga district in the Indianstate of Karnataka. It is nested in western ghats of India. The World Cattle Conference with main emphasis on cow was held in month of April 2007 in Hosanagar. The different uses of cow ( not the meat ) were exhibited. Near Hosanagar there is a mutt named Sri Ramachandrapura Mutt just 6 km from Hosanagar Town.

Hosanagar Taluk is full of forested areas.[4] A sizable area of the Taluk is covered by the backwaters of Linganamakki Dam, built across Sharavati River. This Taluk receives heavy rainfal[5] during monsoon season (June–October).

As of 2001[update] India census,[8] Hosanagar had a population of 5042. Males constitute 51% of the population and females 49%. Hosanagar has an average literacy rate of 80%, higher than the national average of 59.5%: male literacy is 84%, and female literacy is 75%. In Hosanagar, 11% of the population is under 6 years of age.

Hosanagar Taluk is one of the seven taluks of Shimoga District, Karnataka, India.